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Finding the Fourth Proportional to 539,000,368.88, 808,419,459.35 and 150,772,876.88

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Solution

The fourth proportional to 539,000,368.88, 808,419,459.35 and 150,772,876.88 is: 226,136,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,000,368.88 : 808,419,459.35 = 150,772,876.88 : x
  2. Step 2: Convert to fraction form
    539,000,368.88/808,419,459.35 = 150,772,876.88/x
  3. Step 3: Cross multiply
    539,000,368.88x = 808,419,459.35 × 150,772,876.88
  4. Step 4: Simplify right side
    539,000,368.88x = 121,887,727,608,308,544
  5. Step 5: Solve for x
    x = 121,887,727,608,308,544/539,000,368.88
  6. Step 6: Final answer
    x = 226,136,631.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.